| File format | File name (file size) | 
| PDBx/mmCIF | 4bko.cif.gz Display(177.34 KB) 4bko.cif  | 
| PDBx/mmJSON | all | 4bko.json.gz Display (Tree)(124.74 KB) 4bko.json  | 
| no-atom | 4bko-noatom.json.gz Display (Header)(16.45 KB) 4bko-noatom.json  | 
| add only | 4bko-plus.json.gz Display(352.00 B) 4bko-plus.json  | 
| PDBML | all | 4bko.xml.gz Display(242.20 KB) 4bko.xml  | 
| no-atom | 4bko-noatom.xml.gz Display(31.26 KB) 4bko-noatom.xml  | 
| ext-atom | 4bko-extatom.xml.gz Display(79.63 KB) 4bko-extatom.xml  | 
| pdb_nextgen | all | pdb_00004bko_xyz-enrich.cif.gz Display(181.94 KB) pdb_00004bko_xyz-enrich.cif  | 
| no-atom | pdb_00004bko_xyz-no-atom-enrich.xml.gz Display(34.70 KB) pdb_00004bko_xyz-no-atom-enrich.xml  | 
| ng-only | 4bko-plus.json.gz Display(2.33 KB) 4bko-plus.json  | 
| PDB | pdb4bko.ent.gz Display(139.29 KB) pdb4bko.ent  | 
| RDF | 4bko.rdf.gz Visualize(89.75 KB) 4bko.rdf  | 
| Structure factors | r4bkosf.ent.gz Display(1.38 MB) r4bkosf.ent  | 
| Biological unit (mmCIF format) | 4bko-assembly1.cif.gz Display(168.28 KB) 4bko-assembly1.cif  (A)*author and software defined assembly, 1 molecule(s) (monomeric)  | 
| Biological unit (PDB format) | 4bko.pdb1.gz Display(133.71 KB) 4bko.pdb1  (A)*author and software defined assembly, 1 molecule(s) (monomeric)  | 
| Validation reports | PDF | 4bko_validation.pdf.gz Display(468.12 KB) 4bko_validation.pdf  | 
| PDF-full | 4bko_full_validation.pdf.gz Display(470.39 KB) 4bko_full_validation.pdf  | 
| mmCIF | 4bko_validation.cif.gz Display(32.03 KB) 4bko_validation.cif  | 
| XML | 4bko_validation.xml.gz Display(21.19 KB) 4bko_validation.xml  | 
| PNG | 4bko_multipercentile_validation.png.gz Display(169.76 KB) 4bko_multipercentile_validation.png  | 
| SVG | 4bko_multipercentile_validation.svg.gz Display(976.00 B) 4bko_multipercentile_validation.svg  | 
| EDMap | 2fo-fc (PDBx/mmCIF) | 4bko_validation_2fo-fc_map_coef.cif.gz Display(355.27 KB) 4bko_validation_2fo-fc_map_coef.cif  | 
| fo-fc (PDBx/mmCIF) | 4bko_validation_fo-fc_map_coef.cif.gz Display(347.86 KB) 4bko_validation_fo-fc_map_coef.cif  | 
| 2fo-fc (MTZ) | 4bko_validation_2fo-fc_map_coef.mtz Visualize(869.49 KB) | 
| fo-fc (MTZ) | 4bko_validation_fo-fc_map_coef.mtz Visualize(869.49 KB) |